Skype skype: URI Handling /Datapath Argument Injection Settings Manipulation (credentialed check)

medium Nessus Plugin ID 45061

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Synopsis

The remote Skype client is affected by an information disclosure vulnerability.

Description

According to its timestamp, the version of Skype installed on the remote Windows host fails to sanitize input in its URI handler to its '/Datapath' argument, which specifies the location of the Skype configuration files and security policy.

If an attacker can trick a user on the affected system into clicking on a specially crafted link, the client could be made to use a Datapath location on a remote SMB share. In turn, this could lead to man-in-the-middle attacks or the disclosure of sensitive information, such as call history associated with the user.

Solution

Upgrade to Skype 4.2.0.155 or later.

See Also

http://www.security-assessment.com/files/advisories/Skype_URI_Handling_Vulnerability.pdf

https://www.securityfocus.com/archive/1/510017/30/0/threaded

https://developer.skype.com/WindowsSkype/ReleaseNotes

http://share.skype.com/sites/garage/2010/03/10/ReleaseNotes_4.2.0.155.pdf

Plugin Details

Severity: Medium

ID: 45061

File Name: skype_4_2_0_155_creds.nasl

Version: 1.10

Type: local

Agent: windows

Family: Windows

Published: 3/15/2010

Updated: 11/15/2018

Dependencies: smb_hotfixes.nasl

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.6

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Temporal Vector: E:F/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:skype:skype

Required KB Items: SMB/Registry/Enumerated

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/10/2010

Vulnerability Publication Date: 3/10/2010

Reference Information

BID: 38699

Secunia: 38908